Constant current wire crossing apparatus for overhead electrically operated vehicles
US5341906A · kind A · utility
1Cited by
8References
7Claims
0Family size
Inventor
Key dates
| Filing date | Oct 15, 1993 |
| Grant date | Aug 30, 1994 |
| Priority date | — |
| Expiry date | Oct 15, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60M1/14
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A constant current wire crossing apparatus for overhead electrically operated vehicles, wherein wires of opposite polarity are connected by insulators to a crossing unit, including a conducting strip disposed on each insulator and appropriate switching circuitry such that a continuous source of power of correct polarity is available to a passing vehicle in any direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.